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v3.19.3

Segment Information (Schedule Of Selected Supplemental Balance Sheet Information) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intercompany sales | $ 266.9 | $ 274.3 | $ 234.0 | $ 192.8 | $ 254.3 | $ 250.2 | $ 233.2 | $ 178.3 | $ 968.0 | $ 916.0 | $ 826.0
Operating income | 39.0 | $ 47.2 | $ 22.2 | $ 15.9 | 40.5 | $ 30.6 | $ 29.9 | $ 20.7 | 124.3 | 121.7 | 102.1
Depreciation and amortization |  |  |  |  |  |  |  |  | 53.0 | 43.7 | 41.9
2016 |  |  |  |  |  |  |  |  | 16.3 | 10.5 | 10.4
Capital expenditures |  |  |  |  |  |  |  |  | (86.6) | (55.7) | (40.6)
Property, plant and equipment, net | 217.1 |  |  |  | 150.9 |  |  |  | 217.1 | 150.9 |
Total assets | 1,337.3 |  |  |  | 1,291.9 |  |  |  | $ 1,337.3 | 1,291.9 |
Document Period End Date |  |  |  |  |  |  |  |  | Sep. 30, 2019 |  |
Intangible Assets, Net (Including Goodwill) | 529.4 |  |  |  | 420.2 |  |  |  | $ 529.4 | 420.2 |
Mueller Co. [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intercompany sales |  |  |  |  |  |  |  |  | 871.0 | 818.8 | 739.9
Operating income |  |  |  |  |  |  |  |  | 182.3 | 180.1 | 163.8
Depreciation and amortization |  |  |  |  |  |  |  |  | 44.8 | 37.4 | 36.3
2016 |  |  |  |  |  |  |  |  | 1.7 | 0.1 | 2.7
Capital expenditures |  |  |  |  |  |  |  |  | (80.4) | (47.3) | (28.5)
Total assets | 1,107.8 |  |  |  | 843.9 |  |  |  | 1,107.8 | 843.9 |
Intangible Assets, Net (Including Goodwill) | 508.2 |  |  |  | 396.9 |  |  |  | 508.2 | 396.9 |
Mueller Technologies [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intercompany sales |  |  |  |  |  |  |  |  | 97.0 | 97.2 | 86.1
Operating income |  |  |  |  |  |  |  |  | (8.7) | (24.4) | (20.3)
Depreciation and amortization |  |  |  |  |  |  |  |  | 7.9 | 6.1 | 5.2
2016 |  |  |  |  |  |  |  |  | 0.0 | 0.1 | 0.7
Capital expenditures |  |  |  |  |  |  |  |  | (5.5) | (8.3) | (11.4)
Total assets | 100.3 |  |  |  | 87.1 |  |  |  | 100.3 | 87.1 |
Intangible Assets, Net (Including Goodwill) | 21.2 |  |  |  | 23.3 |  |  |  | 21.2 | 23.3 |
Corporate [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Intercompany sales |  |  |  |  |  |  |  |  | 0.0 | 0.0 | 0.0
Operating income |  |  |  |  |  |  |  |  | (49.3) | (34.0) | (41.4)
Depreciation and amortization |  |  |  |  |  |  |  |  | 0.3 | 0.2 | 0.4
2016 |  |  |  |  |  |  |  |  | 14.6 | 10.3 | 7.0
Capital expenditures |  |  |  |  |  |  |  |  | (0.7) | (0.1) | $ (0.7)
Total assets | 129.2 |  |  |  | 360.9 |  |  |  | 129.2 | 360.9 |
Intangible Assets, Net (Including Goodwill) | $ 0.0 |  |  |  | $ 0.0 |  |  |  | $ 0.0 | $ 0.0 |

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